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  1. No Access

    Article

    Endopolyploidy and its role in sha** ant castes and colony dynamics: a study on Camponotus aff. balzani (Hymenoptera, Formicidae)

    The high diversity in ants has been associated with some genomic divergences, including karyotype, nuclear genome size and DNA sequences. This study investigated if DNA ploidy levels varies among organs of the...

    M. G. Tavares, J. E. Serrão, L. L. Bhering, A. C. Marques… in Insectes Sociaux (2024)

  2. Article

    Open Access

    Near infrared photothermoelectric effect in transparent AZO/ITO/Ag/ITO thin films

    A new concept of oxide-metal-oxide structures that combine photothermoelectric effect with high reflectance (~ 80%) at wavelengths in the infrared (> 1100 nm) and high transmittance in the visible range is rep...

    C. Bianchi, A. C. Marques, R. C. da Silva, T. Calmeiro, I. Ferreira in Scientific Reports (2021)

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  3. Article

    Open Access

    Stability under humidity, UV-light and bending of AZO films deposited by ALD on Kapton

    Aluminium doped zinc oxide (AZO) films were grown by Atomic Layer Deposition (ALD) on yellow Kapton and transparent Kapton (type CS) substrates for large area flexible transparent thermoelectric applications, ...

    A. C. Marques, J. Faria, P. Perdigão, B. M. M. Faustino… in Scientific Reports (2019)

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  4. Article

    Open Access

    Synthesis of thermoelectric magnesium-silicide pastes for 3D printing, electrospinning and low-pressure spray

    In this work, eco-friendly magnesium-silicide (Mg2Si) semiconducting (n-type) thermoelectric pastes for building components concerning energy-harvesting devices through 3D printing, spray and electrospinning were...

    A. C. Marques, Davide Miglietta, G. Gaspar… in Materials for Renewable and Sustainable En… (2019)

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  5. Article

    Open Access

    Office Paper Platform for Bioelectrochromic Detection of Electrochemically Active Bacteria using Tungsten Trioxide Nanoprobes

    Electrochemically active bacteria (EAB) have the capability to transfer electrons to cell exterior, a feature that is currently explored for important applications in bioremediation and biotechnology fields. H...

    A. C. Marques, L. Santos, M. N. Costa, J. M. Dantas, P. Duarte… in Scientific Reports (2015)

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  6. No Access

    Article

    Evaluation of 3D nano–macro porous bioactive glass scaffold for hard tissue engineering

    Recently, nano–macro dual-porous, three-dimensional (3D) glass structures were developed for use as bioscaffolds for hard tissue regeneration, but there have been concerns regarding the interconnectivity and h...

    S. Wang, M. M. Falk, A. Rashad, M. M. Saad… in Journal of Materials Science: Materials in… (2011)

  7. No Access

    Article

    Compositional Profiles in Silica-Based Sol-Gel Films Doped with Erbium and Silver, by RBS and ERDA

    The photoluminescence efficiency of Er-doped silica-titania planar waveguides, prepared by sol-gel processing, may in principle be enhanced through the incorporation of silver metal particles. On the other han...

    A.C. Marques, R.M. Almeida, A.R. Ramos… in Journal of Sol-Gel Science and Technology (2004)

  8. No Access

    Article

    Photoluminescence of Erbium-Doped Silicate Sol-Gel Planar Waveguides

    Er3+-doped silica-titania planar waveguides, prepared by sol-gel processing, have a tendency to exhibit a reversible photoluminescence (PL) quenching phenomenon at 1.5 μm, when they are not fully densified. In th...

    R.M. Almeida, A.C. Marques, R. Cabeça… in Journal of Sol-Gel Science and Technology (2004)